Routing Table Report 04:00 +10GMT Thu 12 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 390199
Prefixes after maximum aggregation: 168631
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190902
Total ASes present in the Internet Routing Table: 39796
Prefixes per ASN: 9.80
Origin-only ASes present in the Internet Routing Table: 32578
Origin ASes announcing only one prefix: 15512
Transit ASes present in the Internet Routing Table: 5380
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 2082
Unregistered ASNs in the Routing Table: 1051
Number of 32-bit ASNs allocated by the RIRs: 2171
Number of 32-bit ASNs visible in the Routing Table: 1838
Prefixes from 32-bit ASNs in the Routing Table: 4431
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2508356152
Equivalent to 149 /8s, 130 /16s and 122 /24s
Percentage of available address space announced: 67.7
Percentage of allocated address space announced: 67.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 165349
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96388
Total APNIC prefixes after maximum aggregation: 31467
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92750
Unique aggregates announced from the APNIC address blocks: 38827
APNIC Region origin ASes present in the Internet Routing Table: 4625
APNIC Prefixes per ASN: 20.05
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 727
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 130
Number of APNIC addresses announced to Internet: 633945224
Equivalent to 37 /8s, 201 /16s and 60 /24s
Percentage of available APNIC address space announced: 80.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 147310
Total ARIN prefixes after maximum aggregation: 75017
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119350
Unique aggregates announced from the ARIN address blocks: 49094
ARIN Region origin ASes present in the Internet Routing Table: 14848
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5681
ARIN Region transit ASes present in the Internet Routing Table: 1583
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804649920
Equivalent to 47 /8s, 245 /16s and 251 /24s
Percentage of available ARIN address space announced: 63.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 96324
Total RIPE prefixes after maximum aggregation: 51984
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 88265
Unique aggregates announced from the RIPE address blocks: 55739
RIPE Region origin ASes present in the Internet Routing Table: 16235
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 7977
RIPE Region transit ASes present in the Internet Routing Table: 2583
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1277
Number of RIPE addresses announced to Internet: 497061064
Equivalent to 29 /8s, 160 /16s and 140 /24s
Percentage of available RIPE address space announced: 80.1
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 37196
Total LACNIC prefixes after maximum aggregation: 8040
LACNIC Deaggregation factor: 4.63
Prefixes being announced from the LACNIC address blocks: 36791
Unique aggregates announced from the LACNIC address blocks: 19213
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 23.57
LACNIC Region origin ASes announcing only one prefix: 445
LACNIC Region transit ASes present in the Internet Routing Table: 288
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 413
Number of LACNIC addresses announced to Internet: 95312264
Equivalent to 5 /8s, 174 /16s and 89 /24s
Percentage of available LACNIC address space announced: 63.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8389
Total AfriNIC prefixes after maximum aggregation: 2050
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 6423
Unique aggregates announced from the AfriNIC address blocks: 2040
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 12.69
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30784000
Equivalent to 1 /8s, 213 /16s and 186 /24s
Percentage of available AfriNIC address space announced: 45.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2474 11100 972 Korea Telecom (KIX)
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4755 1518 385 157 TATA Communications formerly
7552 1410 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1117 81 495 Sify Limited
4808 1096 2037 312 CNCGROUP IP network: China169
24560 1010 384 167 Bharti Airtel Ltd., Telemedia
18101 975 130 155 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3466 3811 209 bellsouth.net, inc.
7029 3223 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
20115 1618 1552 619 Charter Communications
4323 1607 1064 384 Time Warner Telecom
22773 1514 2909 107 Cox Communications, Inc.
30036 1487 264 694 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1301 7029 852 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1694 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
6830 644 1928 413 UPC Distribution Services
34984 638 188 174 BILISIM TELEKOM
20940 553 182 445 Akamai Technologies European
12479 550 636 53 Uni2 Autonomous System
3320 531 8162 397 Deutsche Telekom AG
8551 508 360 81 Bezeq International
3292 479 2106 406 TDC Tele Danmark
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1726 319 158 TVCABLE BOGOTA
28573 1578 1065 77 NET Servicos de Comunicao S.A
8151 1463 2997 343 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 635 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 91 Empresa Nacional de Telecomun
6503 537 434 67 AVANTEL, S.A.
11172 534 86 100 Servicios Alestra S.A de C.V
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1022 958 13 TEDATA
24863 796 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 240 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 216 17 12 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 188 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3466 3811 209 bellsouth.net, inc.
7029 3223 1017 200 Windstream Communications Inc
4766 2474 11100 972 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
10620 1726 319 158 TVCABLE BOGOTA
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
8402 1694 480 15 Corbina telecom
7545 1630 303 86 TPG Internet Pty Ltd
20115 1618 1552 619 Charter Communications
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3223 3023 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1742 PaeTec Communications, Inc.
17974 1719 1682 PT TELEKOMUNIKASI INDONESIA
8402 1694 1679 Corbina telecom
10620 1726 1568 TVCABLE BOGOTA
7545 1630 1544 TPG Internet Pty Ltd
4766 2474 1502 Korea Telecom (KIX)
28573 1578 1501 NET Servicos de Comunicao S.A
22773 1514 1407 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
24.157.16.0/20 36423 San Juan Cable, LLC
37.34.48.0/21 35470 XL Network
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:81 /12:236
/13:465 /14:816 /15:1458 /16:12112 /17:6141 /18:10189
/19:20189 /20:27994 /21:28453 /22:38809 /23:36144 /24:203415
/25:1180 /26:1420 /27:780 /28:171 /29:56 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2843 3223 Windstream Communications Inc
6389 2120 3466 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1673 1694 Corbina telecom
10620 1621 1726 TVCABLE BOGOTA
30036 1446 1487 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1066 1865 PaeTec Communications, Inc.
15557 1046 1096 LDCOM NETWORKS
7011 1042 1159 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:491 2:468 4:15 5:1 6:3 8:369
12:1951 13:1 14:585 15:11 16:3 17:6
20:9 23:96 24:1710 27:1176 31:819 32:67
33:2 34:2 36:8 37:82 38:794 40:114
41:2839 42:85 43:1 44:3 46:1213 47:3
49:316 50:502 52:13 55:6 56:2 57:41
58:944 59:490 60:343 61:1183 62:949 63:1965
64:4121 65:2297 66:4376 67:2002 68:1152 69:3151
70:918 71:427 72:1787 74:2644 75:446 76:320
77:944 78:899 79:498 80:1186 81:861 82:530
83:532 84:584 85:1165 86:748 87:905 88:335
89:1597 90:261 91:4415 92:533 93:1550 94:1352
95:1070 96:394 97:296 98:794 99:38 100:18
101:128 103:629 106:10 107:131 108:122 109:1433
110:685 111:837 112:429 113:507 114:602 115:758
116:863 117:723 118:895 119:1243 120:380 121:679
122:1625 123:1046 124:1337 125:1352 128:533 129:192
130:191 131:584 132:161 133:21 134:227 135:58
136:213 137:151 138:288 139:144 140:486 141:263
142:379 143:401 144:500 145:68 146:484 147:224
148:634 149:276 150:166 151:193 152:447 153:170
154:7 155:394 156:210 157:366 158:155 159:511
160:320 161:222 162:337 163:188 164:528 165:391
166:562 167:456 168:830 169:147 170:827 171:101
172:4 173:1778 174:593 175:420 176:385 177:452
178:1173 180:1221 181:43 182:686 183:266 184:431
185:1 186:1497 187:829 188:1031 189:1166 190:5318
192:5984 193:5464 194:3944 195:3302 196:1284 197:172
198:3622 199:4286 200:5606 201:1699 202:8391 203:8584
204:4343 205:2432 206:2707 207:2807 208:4017 209:3554
210:2746 211:1491 212:1968 213:1812 214:842 215:94
216:4943 217:1474 218:566 219:337 220:1248 221:564
222:325 223:266
End of report
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